:root{color-scheme:dark;--bg:#0c0e10;--panel:#111416;--line:#2a2d30;--muted:#969da1;--text:#e9eae6;--accent:#eabb71;--cyan:#a6dcde;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:13px}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}header{height:66px;border-bottom:1px solid var(--line);padding:0 4%;display:flex;align-items:center;justify-content:space-between}.brand{text-decoration:none;color:var(--text);letter-spacing:.12em;font-size:11px;font-weight:600}.brand-mark{font-size:25px;vertical-align:middle;margin-right:12px}.brand-divider{color:#566064;margin:0 16px}.badge{border:1px solid var(--line);padding:7px 11px;border-radius:20px;font-size:10px;letter-spacing:.03em;color:var(--muted)}.badge.live{color:var(--cyan);border-color:#3b6666}main{max-width:1650px;margin:auto;padding:34px 4% 18px}.eyebrow{font-size:9px;letter-spacing:.15em;color:var(--muted);font-weight:600}.metrics{display:grid;grid-template-columns:repeat(6,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:17px 0;margin-bottom:22px}.metrics>div{border-left:1px solid var(--line);padding-left:24px}.metrics>div:first-child{border:0;padding:0}.metrics span{display:block;font-size:8px;letter-spacing:.13em;color:var(--muted);margin-bottom:7px}.metrics strong{font-size:26px;letter-spacing:-.025em;font-weight:400;font-variant-numeric:tabular-nums}small{font-size:11px;color:var(--muted);font-weight:400}.workspace{display:grid;grid-template-columns:minmax(0,1fr) 270px;border:1px solid var(--line);min-height:520px}.stage{position:relative;min-width:0;overflow:hidden;background:radial-gradient(ellipse at center,#171c20 0,#101315 70%);height:560px}.stage-toolbar{position:absolute;left:19px;right:19px;top:17px;z-index:2;display:flex;align-items:center;gap:12px}.segmented{display:flex;border:1px solid #3b4145;border-radius:4px;padding:3px;background:#101315d9}button,select{font:inherit;color:var(--text);border:1px solid var(--line);background:#1b1f22;border-radius:3px;padding:8px 13px;cursor:pointer}button:hover{background:#2a3033}button:disabled{opacity:.4;cursor:default}button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}.segmented button{border:0;background:none;font-size:10px;padding:7px 11px;color:var(--muted)}.segmented .selected{background:#32393d;color:var(--text)}#gpu-label{font-size:9px;color:#9ba7aa;letter-spacing:.08em;margin-left:auto}#reset-view{font-size:10px;background:#111518b0;border-color:#333b40}#brain{width:100%;height:100%;display:block;touch-action:none;cursor:grab}.stage-label{position:absolute;left:22px;bottom:45px;pointer-events:none;display:flex;flex-direction:column;gap:7px}.stage-label strong{font-size:9px;letter-spacing:.13em;color:#d8ddda}.stage-label span{color:var(--muted);font-size:10px}.legend{display:flex;align-items:center;gap:7px;position:absolute;right:18px;bottom:48px;font-size:9px;color:var(--muted);pointer-events:none}.dot{width:5px;height:5px;border-radius:50%;display:inline-block}.resting{background:#747d80}.spike{background:var(--accent);margin-left:8px;box-shadow:0 0 7px #eabb7180}.voltage-gradient{width:36px;height:3px;background:linear-gradient(90deg,#586269,#b0eded);margin-left:7px}.camera-hint{position:absolute;bottom:16px;left:22px;color:#657178;font-size:9px;pointer-events:none}aside{padding:22px 20px;border-left:1px solid var(--line);background:var(--panel);display:flex;flex-direction:column}.aside-heading{display:flex;justify-content:space-between;align-items:center}.aside-heading h2{font-size:12px;font-weight:500;margin:0}.aside-heading>span{font-size:9px;color:var(--muted)}.activity-number{margin:24px 0 5px;display:flex;flex-direction:column;gap:5px}.activity-number strong{font-size:36px;font-weight:400;font-variant-numeric:tabular-nums}.activity-number span,.muted{font-size:10px;color:var(--muted)}.groups{margin:22px 0 10px;max-height:225px;overflow:auto;scrollbar-width:thin}.group{margin-bottom:12px;cursor:pointer}.group-row{display:flex;justify-content:space-between;font-size:9px;margin-bottom:5px;color:#aeb8ba}.group-row span:first-child{max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.group-track{height:2px;background:#293033}.group-track div{height:2px;background:#92acb0;width:0;transition:width 100ms}.group.active .group-row{color:var(--accent)}.group.active .group-track div{background:var(--accent)}.inspector{margin-top:auto;border-top:1px solid var(--line);padding:15px 0 11px;display:flex;flex-direction:column;gap:7px}.inspector strong{font-size:12px;font-weight:450;font-variant-numeric:tabular-nums}.inspector>span{font-size:10px;color:var(--muted);line-height:1.5}.assumption{border-top:1px solid var(--line);padding-top:12px}.assumption p{color:var(--muted);font-size:10px;line-height:1.5;margin-bottom:0}.transport{border:1px solid var(--line);border-top:0;padding:18px 21px}.playback{display:flex;gap:16px;align-items:center}.play{background:var(--text);color:#15191b;border:0;width:38px;height:35px}.play:hover{background:white}.playback #restart{border:0;background:none;padding:0;font-size:22px;color:var(--muted)}#clock{min-width:80px;font-size:19px;font-weight:450;font-variant-numeric:tabular-nums}input[type=range]{accent-color:#d4dcd9;height:3px;flex:1;cursor:pointer}#end-time{min-width:48px;font-size:11px;color:var(--muted);text-align:right}.transport-details{display:flex;align-items:center;gap:20px;margin-top:14px;font-size:9px;color:var(--muted)}.transport-details>span:first-child{margin-right:auto}.transport-details select{font-size:9px;padding:3px 5px;background:none;border:0}.follow{display:flex;align-items:center;gap:5px;cursor:pointer}.follow input{accent-color:var(--cyan)}.source-panel{display:flex;justify-content:space-between;gap:30px;align-items:center;padding:24px 0;border-bottom:1px solid var(--line)}.source-panel p{color:var(--muted);font-size:10px;margin-bottom:0}form{display:flex;gap:8px;min-width:48%}form input{background:#111619;color:var(--text);padding:10px 12px;border:1px solid var(--line);border-radius:3px;width:100%;min-width:0;font-size:11px}form button{white-space:nowrap;font-size:10px}footer{display:flex;justify-content:space-between;padding-top:16px;font-size:9px;color:#7c878d}footer a{color:#aab3b5;text-decoration:none}.empty{position:absolute;top:36%;left:0;right:0;text-align:center;pointer-events:none}.empty-glyph{font-size:32px;color:#667c85}.empty h2{font-size:16px;font-weight:400;margin-top:15px}.empty p{color:var(--muted);font-size:11px;line-height:1.8}#error{position:absolute;left:20px;right:20px;top:76px;padding:12px;background:#402723;color:#f4d5cb;border:1px solid #694336;border-radius:3px;font-size:11px;z-index:4}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}[hidden]{display:none!important}@media(min-width:1450px){.stage{height:630px}.workspace{grid-template-columns:minmax(0,1fr) 300px}}@media(max-width:850px){main{padding:24px 3%}.metrics strong{font-size:20px}.metrics>div{padding-left:12px}.workspace{grid-template-columns:minmax(0,1fr) 220px}.stage{height:510px}aside{padding:20px 14px}.legend{bottom:80px;left:22px;right:auto}.source-panel{display:block}form{margin-top:16px}.transport-details{gap:10px}#performance{display:none}}@media(max-width:600px){header{height:55px}.brand{font-size:8px}.brand-divider{margin:0 5px}.badge{font-size:8px}.metrics{grid-template-columns:repeat(2,1fr);gap:20px}.metrics>div:nth-child(odd){padding-left:0;border:0}.workspace{grid-template-columns:1fr}.stage{height:460px}aside{border-left:0;border-top:1px solid var(--line)}.groups{display:grid;grid-template-columns:1fr 1fr;gap:6px 20px;max-height:160px}.activity-number{margin:15px 0 5px}.activity-number strong{font-size:25px}.inspector{margin-top:15px}#clock{min-width:66px;font-size:16px}.playback{gap:10px}.transport{padding:15px 12px}.transport-details>span:first-child{display:none}.transport-details label:first-of-type{margin-right:auto}footer{gap:15px;line-height:1.7}.source-panel p{line-height:1.5}.stage-toolbar{left:12px;right:12px;gap:7px}#gpu-label{font-size:8px}}
:root{--adjoint-negative:#66ccea;--adjoint-positive:#faa857}
#pass-label{font-size:9px;letter-spacing:.07em;color:#a9b9bd;white-space:nowrap}#pass-label.backward{color:var(--adjoint-positive)}
.legend{flex-direction:column;align-items:flex-end;gap:6px}#activity-legend{display:inline-flex;align-items:center;gap:7px}#scale-label{font-size:8px;color:#a9b5ba;max-width:330px;text-align:right}.voltage-gradient{display:inline-block}.adjoint-negative{background:var(--adjoint-negative)}.adjoint-positive{background:var(--adjoint-positive)}.adjoint-gradient{width:50px;height:3px;display:inline-block;background:linear-gradient(90deg,var(--adjoint-negative),#505c66,var(--adjoint-positive))}.transport-details{flex-wrap:wrap}#adjoint-control{white-space:nowrap}
@media(max-width:850px){.legend{align-items:flex-start}#scale-label{text-align:left}}@media(max-width:600px){#gpu-label{display:none}#pass-label{font-size:8px;letter-spacing:0}}

.loss-summary{margin-top:12px;padding-top:8px;border-top:1px solid var(--line);max-width:640px}.loss-summary p{line-height:1.6;margin:4px 0}.loss-summary .eyebrow{font-size:8px;margin-right:8px}#objective-text{overflow-wrap:anywhere;color:#bac4c6}#loss-value{font-variant-numeric:tabular-nums;color:var(--text)}

.eligibility-gradient{width:50px;height:3px;display:inline-block;background:linear-gradient(90deg,#505c66,var(--adjoint-positive))}#eligibility-control{white-space:nowrap}

.io-labels{position:absolute;inset:0;pointer-events:none;overflow:hidden}.io-panel-label{position:absolute;transform:translate(-50%,-100%);display:flex;flex-direction:column;gap:4px;text-align:center;white-space:nowrap;padding:5px 8px;background:#101315bd;border-radius:3px}.io-panel-label strong{font-size:10px;font-weight:500;color:#d5dddc}.io-panel-label span{font-size:9px;font-variant-numeric:tabular-nums;color:var(--muted)}@media(max-width:600px){.segmented button{padding:7px}.stage-toolbar{gap:5px}.io-panel-label{padding:3px 5px}.io-panel-label strong{font-size:9px}.io-panel-label span{font-size:8px}#reset-view{padding:7px;font-size:9px}}
.header-links{display:flex;align-items:center;gap:16px}#eye-link{font-size:10px;color:var(--cyan);text-decoration:none;white-space:nowrap}#eye-link:hover{text-decoration:underline}
@media(max-width:600px){header{height:auto;min-height:55px;gap:12px;padding-top:8px;padding-bottom:8px}.header-links{max-width:54%;flex-wrap:wrap;justify-content:flex-end;gap:5px 9px}#eye-link{font-size:9px}.legend{bottom:104px;left:22px;right:18px;gap:7px}.stage-label{bottom:43px;right:18px;gap:6px}.stage-label span{line-height:1.45}#scale-label{max-width:100%;line-height:1.45}.camera-hint{bottom:16px;right:18px;line-height:1.4}}
.eye-companion{margin:0 0 20px;border:1px solid var(--line);background:var(--panel)}.eye-companion-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:15px 18px;border-bottom:1px solid var(--line)}.eye-companion-heading strong{font-size:12px;font-weight:500}.eye-companion-heading p{margin:6px 0 0;color:var(--muted);font-size:10px;line-height:1.5}.eye-companion-heading button{white-space:nowrap;font-size:10px}#eye-panel-toggle{font-size:10px;padding:6px 9px}#eye-frame{width:100%;height:650px;border:0;display:block;background:var(--bg)}@media(max-width:600px){#eye-frame{height:780px}.eye-companion-heading{padding:12px;gap:10px}.eye-companion-heading p{font-size:9px}#eye-panel-toggle{font-size:9px;padding:5px 7px}}

:is(#group-inputs,#group-outputs){font-size:10px;padding:7px 9px;white-space:nowrap}:is(#group-inputs,#group-outputs).selected{border-color:#6a9397;color:var(--cyan);background:#203033}.stage-toolbar{flex-wrap:wrap}.stage-toolbar .segmented{flex-shrink:0}.io-modality-panel{position:absolute;border:1px solid #60717765;border-radius:2px}.io-modality-label{position:absolute;left:0;top:0;background:#253136e8;border:1px solid #607177;border-radius:3px;min-width:18px;padding:1px 4px;font-size:10px;text-align:center;color:#d6e4e4;font-variant-numeric:tabular-nums}.input-modality-legend{border-bottom:1px solid var(--line);padding-bottom:14px;margin-bottom:17px}.input-modality-legend p{font-size:9px;line-height:1.5;color:var(--muted);margin:9px 0 12px}.input-modality-legend ol{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 10px}.input-modality-legend li{display:flex;align-items:flex-start;gap:8px;min-width:0}.input-modality-number{border:1px solid #607177;border-radius:3px;color:#d6e4e4;text-align:center;min-width:20px;padding:1px 4px;font-size:10px;font-variant-numeric:tabular-nums}.input-modality-legend li>span:last-child{min-width:0}.input-modality-legend strong{display:block;font-size:10px;font-weight:500;line-height:1.4;overflow-wrap:anywhere}.input-modality-legend small{display:block;margin-top:3px;font-size:9px;line-height:1.4;font-variant-numeric:tabular-nums}.workspace:has(.input-modality-legend:not([hidden])) .stage{height:100%;min-height:630px}.workspace:has(.input-modality-legend:not([hidden])) .groups{max-height:130px}@media(max-width:850px){:is(#group-inputs,#group-outputs){font-size:9px}.workspace:has(.input-modality-legend:not([hidden])) .stage{min-height:560px}}@media(max-width:600px){:is(#group-inputs,#group-outputs){padding:6px 8px}.stage-toolbar .segmented{flex-basis:100%;width:max-content;flex-grow:0}.stage-toolbar .segmented button{flex:1}.workspace:has(.input-modality-legend:not([hidden])) .stage{height:490px;min-height:490px}.input-modality-legend ol{grid-template-columns:repeat(2,minmax(0,1fr));gap:13px 15px;max-height:none}.input-modality-legend strong{font-size:11px}.input-modality-legend small{font-size:10px}}

@media(min-width:851px){.workspace:has(.input-modality-legend:not([hidden])){grid-template-columns:minmax(0,1fr) 310px}}

/* Mixed-state applicability remains legible alongside the shared clock. */
#applicability-note{font-size:10px;color:#aab8bd;max-width:100%;line-height:1.45}
.transport-details select{max-width:min(290px,75vw)}

/* The stage owns the CSS size. Keep the DPR-scaled canvas backing dimensions
   out of grid sizing, or fractional widths can grow the row on every redraw. */
#brain{position:absolute;inset:0}
#model-note.text{font-size:11px;letter-spacing:0;line-height:1.5;font-weight:400}